From 727734850e0900905f624cbbcfc6e6532a487222 Mon Sep 17 00:00:00 2001
From: stefanprodan <stefan.prodan@gmail.com>
Date: Wed, 10 Jun 2020 18:49:38 +0300
Subject: [PATCH] Add kustomizations removal to uninstall cmd

---
 cmd/tk/uninstall.go | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/cmd/tk/uninstall.go b/cmd/tk/uninstall.go
index b01cbb2e..9fb9d236 100644
--- a/cmd/tk/uninstall.go
+++ b/cmd/tk/uninstall.go
@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"fmt"
+	"time"
 
 	"github.com/manifoldco/promptui"
 	"github.com/spf13/cobra"
@@ -24,12 +25,15 @@ cluster role bindings and CRDs.`,
 }
 
 var (
-	uninstallCRDs   bool
-	uninstallDryRun bool
-	uninstallSilent bool
+	uninstallCRDs           bool
+	uninstallKustomizations bool
+	uninstallDryRun         bool
+	uninstallSilent         bool
 )
 
 func init() {
+	uninstallCmd.Flags().BoolVarP(&uninstallKustomizations, "kustomizations", "", false,
+		"removes all kustomizations previously installed")
 	uninstallCmd.Flags().BoolVarP(&uninstallCRDs, "crds", "", false,
 		"removes all CRDs previously installed")
 	uninstallCmd.Flags().BoolVarP(&uninstallDryRun, "dry-run", "", false,
@@ -57,6 +61,20 @@ func uninstallCmdRun(cmd *cobra.Command, args []string) error {
 		}
 	}
 
+	if uninstallKustomizations {
+		logAction("uninstalling kustomizations")
+		command := fmt.Sprintf("kubectl -n %s delete kustomizations --all --timeout=%s %s",
+			namespace, timeout.String(), dryRun)
+		if _, err := utils.execCommand(ctx, ModeOS, command); err != nil {
+			return fmt.Errorf("uninstall failed")
+		}
+
+		// TODO: use the kustomizations snapshots to create a list of objects
+		// that are subject to deletion and wait for all of them to be terminated
+		logWaiting("waiting on GC")
+		time.Sleep(30 * time.Second)
+	}
+
 	kinds := "namespace,clusterroles,clusterrolebindings"
 	if uninstallCRDs {
 		kinds += ",crds"